administration moving forward with its plan to reduce gun violence. holding a meeting this week with gun groups and the gaming industry to discuss proposals. meanwhile, in an exclusive interview with diane sawyer, former congresswoman, gabrielle giffords and her husband, mark kelly, have announced their own campaign to keep guns out of the wrong hands. two years ago, today, giffords was nearly killed in the tucson shooting rampage. she says she wants to work with politicians to take on high-powered gun lobbyists and fight for responsible changes. and she'll be sharing more details with diane, tonight on "world news" and again on "nightline." >>> meanwhile, the only suspect being held in connection with the attack on the u.s. consulate in libya has been freed this morning. authorities in neighboring tunisia have released ali harzi because of a lack of evidence. four americans, including the u.s. ambassador, were killed in september's attack. the investigation in libya remains stalled. >>> some staggering, new information about the destruction caused by